Rivière· 38 segments

Shiawassee River

Crosses 5 administrative regions : Genesee, Livingston, Oakland, Saginaw, Shiawassee

rivière

Total length

191km

Max discharge

81,9m³/s

Max Strahler

Segments matched

River geography5 admin regions · 0 communes

Parent watershed

hybas-70804566702915 km²

5 administrative regions crossed (GADM L2)

Shiawassee
Michigan · United States
83.9 km
in this dpt
Oakland
Michigan · United States
25.3 km
in this dpt
Saginaw
Michigan · United States
24.2 km
in this dpt
Genesee
Michigan · United States
21.6 km
in this dpt
Livingston
Michigan · United States
3.7 km
in this dpt

25 intersecting protected areas

State
IUCN V
Forest
Shiawassee
IUCN IV
National Wildlife Refuge
Shiawassee River State
IUCN V
Game Area
Forest
IUCN V
Reserve
Oak Grove State Game
IUCN V
Grove
Wetlands Reserve Program (WRP), Saginaw, MI
IUCN V
Reserve Program
Shiawassee Basin
IUCN Not Assigned
Nature Preserve
Wetlands Reserve Program (WRP), Shiawassee, MI
IUCN V
Reserve Program
Bancroft Floodplain-OWOSSO YMCA
IUCN V
Nature Preserve

16 more protected areassorted by area

Dauner Martin
IUCN V
Nature Preserve
Big Valley
IUCN V
Nature Preserve
Davisburg State
IUCN V
Game Area
Shiawassee Basin
IUCN Not Assigned
Nature Preserve
99-11-0262
IUCN Not Assigned
Conservation Easement
Golden
IUCN V
Preserve
03-78-0023
IUCN Not Assigned
Conservation Easement
98-11-0541
IUCN Not Assigned
Conservation Easement
01-63-0313
IUCN Not Assigned
Conservation Easement
Morris Fein Arboretum
IUCN V
Arboretum
99-10-0696
IUCN Not Assigned
Conservation Easement
Allen Lake
IUCN V
Preserve
02-73-0004
IUCN Not Assigned
Conservation Easement
Rose Center
IUCN V
Wetlands
90-14-0366
IUCN Not Assigned
Conservation Easement
04-25-0087
IUCN Not Assigned
Conservation Easement

1 page = 1 named river (aggregation of 38 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

174 distinct species · 803 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 43 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Shiawassee River : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 102 interactions GloBI sur 4 types (connectance 11.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

102

Connectance

0.113

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)